diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S index e6b2bbf19c..8e26681b3b 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S @@ -72,8 +72,11 @@ __pthread_cond_broadcast: decl cond_lock-wakeup_seq(%rdi) jne 7f +8: cmpq $-1, %r8 + je 9f + /* Wake up all threads. */ -8: movq $FUTEX_REQUEUE, %rsi + movq $FUTEX_REQUEUE, %rsi movq $SYS_futex, %rax movl $1, %edx movq $0x7fffffff, %r10 @@ -82,10 +85,9 @@ __pthread_cond_broadcast: #ifndef __ASSUME_FUTEX_REQUEUE cmpq $-EINVAL, %rax je 9f -10: #endif - xorl %eax, %eax +10: xorl %eax, %eax retq .align 16 @@ -119,14 +121,12 @@ __pthread_cond_broadcast: subq $cond_lock-wakeup_seq, %rdi jmp 8b -#ifndef __ASSUME_FUTEX_REQUEUE 9: /* The futex requeue functionality is not available. */ movq $0x7fffffff, %rdx movq $FUTEX_WAKE, %rsi movq $SYS_futex, %rax syscall jmp 10b -#endif .size __pthread_cond_broadcast, .-__pthread_cond_broadcast versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast, GLIBC_2_3_2) |